[qt] Fix potential memory leak in newPossibleKey(ChangeCWallet *wallet)

1 files changed, 2 insertions, 4 deletions

diff --git a/src/qt/walletmodeltransaction.cpp b/src/qt/walletmodeltransaction.cpp
index 8bc9ef725e..c74db93a04 100644
--- a/src/qt/walletmodeltransaction.cpp
+++ b/src/qt/walletmodeltransaction.cpp
@@ -10,7 +10,6 @@
 WalletModelTransaction::WalletModelTransaction(const QList<SendCoinsRecipient> &_recipients) :
     recipients(_recipients),
     walletTransaction(0),
-    keyChange(0),
     fee(0)
 {
     walletTransaction = new CWalletTx();
@@ -18,7 +17,6 @@ WalletModelTransaction::WalletModelTransaction(const QList<SendCoinsRecipient> &
 
 WalletModelTransaction::~WalletModelTransaction()
 {
-    delete keyChange;
     delete walletTransaction;
 }
 
@@ -91,10 +89,10 @@ CAmount WalletModelTransaction::getTotalTransactionAmount()
 
 void WalletModelTransaction::newPossibleKeyChange(CWallet *wallet)
 {
-    keyChange = new CReserveKey(wallet);
+    keyChange.reset(new CReserveKey(wallet));
 }
 
 CReserveKey *WalletModelTransaction::getPossibleKeyChange()
 {
-    return keyChange;
+    return keyChange.get();
 }